Mike the pole barn guru.
How far should on overhang go on barn roof.
Dear pole barn guru.
4 choose to extend the preexisting rafters to add 2 9 inches 5 1 22 9 cm.
Metal is usually installed on rafters or strip sheathing rather than the solid decking used under other materials.
You do not need more than 2 feet 0 61 m of total overhang for your building to stay safe and avoid water damage.
Here phil explains how much overhang a roof should have at the gutter.
Some slight overhang is recommended in conjunction with a drip edge flashing to prevent water from getting under the roofing and onto underlying wood.
Overhangs can vary from a few inches to a few feet depending on preference.
Roof overhangs can extend farther than 2 feet but beyond this length they begin to lose structural integrity and require external supports.
Thank you for your help.
This will protect a roof from most types of damage.
Here phil explains how much overhang a roof should have at the gutter.
Add an inch and a half for subfascia strike a line.
However the suggested width of an overhang is between 12 and 18 for eaves and no more than 8 for rakes.
Two feet is the general maximum length for a typical roof overhang.
I used the 1 1 overhand since i have a 12 overhang.
That said overhangs can extend as far as 2 without the need for external supports.
Add the thickness of the true fascia 15 16 in in this case.
Measure from the edge of the plywood outside of the wall over to whatever the overhang will be and square a line up to indicate the end of the truss tail.
Roofing and trim included to match the selected building finish.
A typical metal roof overhang may be 2 to 4 inches or even less.
On page 365 the overhang is beyond a fascia board buildings with eave overhangs.
The steel siding is 3 4 thick which leaves 1 1 2 to 1 3 4 of overhang past the siding after it is installed.
Sealed engineered plans are available at an additional fee.
One says 2 2 and the other says 1 1.
Lean to s eave side additions framed with 2x wood rafters sized and spaced for conditions 2x girders treated 6x6 post 8 on center 12 overhang with 2x6 fascia with aluminum fascia cover.